Rare salamander lays eggs in Slovenia cave

Slovenian folklore speaks of baby dragons flushed from parents’ subterranean lairs. Today, we know these rare creatures as the olm, and one of them has laid eggs.

Galaxies hidden by Milky Way revealed

For the first time, astronomers peered through stars and dust in the Milky Way galaxy to find ... more galaxies. The work helps explain a mystery Great Attractor.

Mercury and Venus close before sunrise

Starting an hour or so before sunrise, for the next several mornings, aim your binoculars at dazzling Venus to spot Mercury nearby.

Lightning strikes, seen from ISS

Is this cool or what? Time-lapse video from International Space Station astronaut Tim Peake.

Earthlike exoplanets with Earthlike interiors?

Rocky planets orbiting other stars have interiors similar to Earth's, with a thin outer crust, thick mantle, and Mars-sized core, says a new study.

Volcanos, lakebeds and possible Mars life

Scientists are traveling to Tibet this summer to explore places that might be possible earthly analogs to regions on Mars once suitable for life.

Orion and the Chinese New Year

"When the three stars of Orion shine highly at the southern sky after sunset, that means it’s time for the spring festival."

Icy volcano in Chile about to erupt?

Several recent events suggest that a set of glacier-covered volcanoes in the southern Chilean region of Bío-Bío may be likely to erupt.

2016 Great Backyard Bird Count starts February 12

This year’s Great Backyard Bird Count runs from February 12–15. It’s free and easy to participate. Find out how.

Frost, fog and sunrise

Worth the cold trek, said Sharon Killips Alexander in Connecticut.